fly flew flown
be afraid to do 胆子小不敢
be afraid of doing 担心后果（具有自主意识）
e.g. The road to the airport is busy, we’re afraid of missing the time.
e.g. Dont’t be afraid to ask for help.
e.g. Flat expanses of open farmland.
muster up courage/ confidence/ dignity …
= summon …
e.g. She left with all the dignity she could muster.
Take the plunge to decide to do something important or difficult.
high-pitched e.g. Bats make high-pitched squeaks.
shrill/ piercing loud, not pleasant
squeaky noise but not loud. e.g. a squeaky gate
tell somebody off 责骂（家长对孩子）
e.g. His wife set about upbraiding him for neglecting the children.
But for the life of him he could not move.
= No matter what 无论如何
e.g. I can’t for the life of me remember his name.
for dear life/ one’s life 拼命地
in many places; here and there;
*e.g. The rumor went about that you were ill.**
e.g. It skim in the waves.
e.g. The report has barely skimmed the surface of the subject. 毫无关系
+ chuckle 自顾自地笑起来 to laugh quietly
+ taunt 嘲笑 try to make sb angry
+ tease laugh at sb. or make jokes
+ make fun of 善意的tease
+ sneer 瞧不起，高高在上
preening yourself 过度注意外表、臭美
thrust forward (故意)挺起
e.g. head held high 头部高高仰起