обр. одной рукой в ладоши не захлопаешь; один в поле не воин

Один в поле не воин; одной ладонью не хлопнешь; один в поле не воин

一个巴掌难以拍响。比喻力量单薄，难以成事。

cannot clap with one hand; alone and helpless; A single palm cannot clap.; It is difficult (impossible) to make a clap with one palm (hand).; It's hard to succeed without support.; One can hardly do much single-handed.; One who stands alone has no power.; single-handed and helpless; The effort of an individual does not count much.; The voice of one man is the voice of no one.; To effect this single-handed was too difficult.

It's difficult to achieve anything without support.

一只手掌难以拍响。比喻力量单薄，难以成事。语本《韩非子‧功名》：“人主之患在莫之应，故曰：一手独拍，虽疾无声。”