Anguish; distress; anxiety（苦悩、不安）

→“He faced the audience with great angst, as he did not know what to say.”

→“In the aftermath of the hurricane, the town is caught in angst and sorrow.”

A stronghold, something or somebody that defends an object of value（砦、拠点）

→“America is the bastion of freedom.”

→“The local paper is the bastion of community spirit.”

To polish; to make shine by rubbing; to stress（磨いてピカピカにする、強調する）

→“I burnish the floor every weekend.”

→“The candidate burnished his ties to the government in order to enhance his election prospects.”

To attain or capture as a result of hard effort（苦労して達成する、手中にする）

→“After a 3-year courtship, he clinched her consent to marriage.”

→“The prime minister seeks national unity so as to clinch the nation’s financial recovery.”

Strong criticism or opposition（強い叱責や反対）

→“The politician took a lot of flak for his faux pas.”

→“The teacher caught heavy flak from the PTA for her attire.”

Eccentricity; a minor shortcoming（比較的小さな欠点）

→“With all his weaknesses and foibles, Reagan is a beloved American icon.”

→“Tabloids always feast on dignitaries’ foibles.”

Worry about something and act nervously（気になっておどおどする）

→“The government is fretting about the potential spreading of the protest.”

→“Don’t fret about speaking up.”

A driving force; a stimulus; a push（原動力、刺激）

→“The teacher’s encouraging words gave him impetus to study harder.”

→“The new project has been given much-needed impetus with the presidential endorsement.”

Magical power; charm; self-confidence; sexual appeal（神秘的な力、自信、性的魅力）

→“After the embarrassing scandal, the actor is trying to get his mojo back.”

→“She lost her mojo when the company fired her.”

Lacking in transparency; unclear（不透明な、明瞭でない）

→“I don’t understand this book well. The author has an opaque writing style.”

→“The international economic community is pressing the country to end its opaque trade practices.”

To recommend; to call for; to advertize（推薦する、唱える、宣伝する）

→“The committee plugs creation of a new organization.”

→“The author is traveling across the country to plug her new book.”

To announce publicly; to disclose（公に発表する、公開する）

→“The politician went public with his intention to run for the White House.”

→“He plans to go public with his criminal past.”

To cancel; to go back on promise or contract（契約を反故にする）

→“My children were upset when I had to renege on my promise to take them to Disneyland.”

→“Under economic pressure, the company reneged on its job offers to the graduating students.”

To cancel（消去する、キャンセルする）

→“You should scrap your old newspapers and magazines and make room for a bookcase.”

→“The government scrapped the highway project.”

To become entwined and tied up in a mess; to argue or fight（もつれる、争いをする）

→“My hair tangles all the time.”

→“The politician is tangled in a web of suspicion.”

(As noun) A twisted, messy state（もつれた状態）

→“A tangle of regulations constrains free competition.”

→“She was in a tangle of mixed emotions when he proposed to her.”