shuǐ
néng
zài
zhōu
,
yì
néng
fù
zhōu
1
lit. water may keep the boat afloat but may also sink it (proverb)
2
fig. the people can support a regime or overturn it
3
if sth is used properly, one can benefit from it, otherwise it can do harm
4
things can be double-edged