夜以继日
day and night：The nurse was with the patient day and night.

英雄所见略同
Great minds think alike.

于事无补
Complaining is of little(no) avail. It is better for you to take action now.

姻缘天注定
Marriages are made in heaven.

逆来顺受
to make the best of a bad bargain

流芳百世
a niche in the temple of fame

为虎作伥
to act as guide to a tiger

孤注一掷
to put all one's egg in one basket

勇者不惧
A brave man will not shrink from dangers.

洗心革面
to turn over a new leaf 

小Car笔记：
avail：有利，有助于，益处 【常用短语】①avail oneself of 利用 ②of no avail：完全没有用，完全无效
niche：壁龛，适当的位置 【常用短语】①niche market 瞄准机会的市场， 缝隙市场 ②trophic niche 营养龛，营养小生态
shrink：收缩，畏缩，萎缩 【常用短语】①shrink from 退避，在 ... 前面畏缩 ②shrink ring 扣环

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