远水不解近渴

the aid is too slow to be helpful

yuǎn shuǐ bù jiě jìn kě ㄧㄨㄢˇ ㄕㄨㄟˇ ㄅㄨˋ ㄐㄧㄝ ˇ ㄐㄧㄣˋ ㄎㄜˇ