445　manage to do和try to do

1　manage to do 表示“努力做成”，强调做成的结果。

It's heavy, but I can manage to carry it. 这东西很重，但我能拿得动。

I'll manage to come on Friday. 我星期五一定来。

2　try to do 意为“努力做，试图做”，结果可能成功，也可能失败。

He tried to move the stone but couldn't. 他试图搬动那块石头，但却搬不动。

She tried not to think about her miserable life in the past. 她尽量不去想过去那段不幸的生活经历。