1. put one's life on the line 冒著生命危險
It's important to honor the men and women in the military who put their lives on the line every day defending our country.
尊重軍人是很重要的，因為他們每天都要冒著生命危險保衛我們的祖國k[d4p0AVgD,Lkh6HK。

2. ground to a halt 陷入停滯
But since the collapse of the bank that led the funding, construction has almost ground to a halt.
但自從主持為其融資的銀行的崩潰，建造工作已基本陷入了停滯F6K^EBrj9cA@&US.Y。

3. bide one's time 等待時機
The cat sat in front of the mousehole, biding its time.
那只貓就坐在那個老鼠洞的洞口等待著時機9eSpSR]+(|AzS|Ei@.U0。

4. step down 卸任；辭職
He would step down as CEO if he felt he could no longer do the job to his high standards.
如果他覺得自己無法在工作中達到他那些高標準的時候，他就會卸任蘋果CEO一職@mTL9uj89hgn。