舉手之勞

1. • the exertion of lifting one's hand (idiom)

     lit.

2. • a very slight effort

     fig.

Character by character

• 舉(jǔ)lift
• 手(shǒu)hand
• 之(zhī)(possessive particle, literary equivalent of 的 de)
• 勞(láo)surname Lao