agonize (over / about sth)
苦苦思索；焦慮不已:
I spent days agonizing over whether to take the job or not.
我用了好些天苦苦思考是否接受這個(gè)工作。

car crash
撞車；碰撞；相撞:
A girl was killed yesterday in a car crash involving a stolen car.
昨天有一女孩在一樁涉及竊車撞車的事故中喪生。

in charge of
主管；掌管；照管；職責(zé)；責(zé)任:
They left the au pair in charge of the children for a week.
他們把孩子留給做換工的照料一周。

realize potential
發(fā)揮潛能
All children should be encouraged to realize their full potential.
應(yīng)當(dāng)鼓勵(lì)所有的兒童充分發(fā)揮他們的潛能。

hold back (from doing sth); hold sb back (from doing sth)
(使)猶豫,躊躇:
She held back, not knowing how to break the terrible news.
她躊躇著,不知如何說(shuō)出這一可怕的消息。