一箭双雕
kill two birds with one stone
三头六臂
almightiness
omnipotence
一唱一和
echo each other
半斤八两
be six of one and half a dozen of the other
upsides
Six of one, half a dozen of other
乱七八糟
at sixes and sevens
box-up
mess
mess-up
百闻不如一见
it is better to see for oneself rather than to hear for many times
十拿九稳
in hand
practically certain
寸步难行
hard to go a single step
始终如一
as one all along
九死一生
a near escape
a near touch