沉思

沉思 [chén sī]

1. ■ ponder; meditate; be lost in thought; muse; ruminate:

沉思自己的不幸 muse on one's misfortunes;

陷入沉思 be absorbed in meditation; be buried [engrossed; immersed] in thought;

很抱歉， 我打断了你的沉思。 I'm sorry to interrupt your meditation.