1.lend a helping hand 伸出援手,助一臂之力
例句:He seldom lends a helping hand to others.
他很少对他人伸出援手。
2.let sb down 使某人失望
例句:He promised to help but he let us down.
他答应帮我们,但他让我们失望了。
3.in times of ... 在……时
例句:In times of war, we must all stand together.
在战时,我们必须要团结一致。
4.as far as I am concerned 就我个人而言
例句:As far as I am concerned, they are strongly against it.
据我所知,她们都很强烈地反对假唱。
adj. 担忧的,关心的