1、沉思
... be surprised at对…感到惊奇 be lost in thought沉思 be tired out疲倦极了 ...
2、陷入沉思
... be lost in 迷失方向，专心于 be lost in thought 陷入沉思 at a loss 不知所措 ...
3、想得出神
...muse 沉思be lost in thought 想得出神stare into space 极目远眺 ...
4、覃思
... be completely lost in 完全沉浸于 be lost in thought 沉思 ; 出神沉思 ; 覃思 be lost in sight 看不见 ...