孤掌难鸣 meaning in Chinese

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