手掌心 (shǒu zhǎng xīn) — center of the palm; (figurative) the area under one's control; someone's grasp

Definition

Examples

• 他把手摊开，看着自己的手掌心。
  Tā bǎ shǒu tān kāi, kàn zhe zì jǐ de shǒu zhǎng xīn.
  He spread his hand and looked at his own palm.
• 整个项目都在他的手掌心里。
  Zhěng gè xiàng mù dōu zài tā de shǒu zhǎng xīn lǐ.
  The whole project is in his control.
• 不要把所有权力都放在一个人的手掌心里。
  Bú yào bǎ suǒ yǒu quán lì dōu fàng zài yí gè rén de shǒu zhǎng xīn lǐ.
  Don't put all power in one person's hands.