... A man should keep his friendship in constant repair。只有经常“浇灌”，方能保持友谊长地久 Pour water into a sieve。竹篮子打水一场空。 All covet，all lose。贪多必失。 ...
2
?竹篮打水一场空
智者当差，不用交代 Pour water into a sieve. 竹篮打水一场空 Practice makes perfect. 熟能生巧 .
3
?白费气力
白费气力 waste one's effort on; draw water with a sieve; pour water into a sieve; catch ... 白费气力, 徒劳 to beat the air ..
双语例句
1
Pourwaterintoasieve.
竹篮儿打水一场空。
2
Place the senna pods in a glass bowl and pour over the boiling water. Leave to steep for about 30 minutes, then strain through asieve or piece of muslin into a blender.