1.there was a moment when 有那么一个时刻
It was noticed that there was a moment when his countenance became very sombre.
大家注意到，有那么一个时刻，他的神色非常沉郁im%KL=zKQzaaB9c。

2.the epitome of ……的缩影
The iPhone is now the epitome of what a smartphone should be in many consumers eyes, and for good reason.
iPhone现在已经成为许多消费者眼中智能手机的缩影GiQAor^^mM。

3.take one's own life 结束自己的生命
She tried to take her own life when she was 19.
19岁的时候，她曾试图结束自己的生命a@+WXqW7zw)FKW+]0Ra。

4.as of late 最近
The local constabulary has been stumped as of late with the frequent disappearance of motocycles around the city.
本地警察对最近在城市中经常发生摩托车失踪案感到十分头疼];gG1Iz5m0nD03UFs。