当
dāng
I v.
1) undertake; accept
我可当不起。 I really don't deserve that.
2) be just as
就当我是他。 Just take me as him.
3) should
II cov.
at a given time or place
你可以当我面说。 You may speak in my presence.
III b.f.
1) at a given time or place (当今, 当初, 当地)
2) equal to, appropriate (相当, 门当户对)
IV cons.
当 A de shíhou: when A
当他来的时候 when he comes