英和和英

go into deep thought

deep thinking

a deep thinker

a deep thinker

deep in meditation

meditate deeply

deep thoughts

sink into thought

a profound thought

to think in a deep and serious manner

to consider something carefully

be deep in thought

deeply absorbed in thought

shallow thinking

the act of carefully considering something

a shallow idea

a foolish idea

a superficial way of thinking

deep serious thoughtfulness

a shallow thinker

intense thought

a deeply conceived plan

coquetry

think thin

of a person, to be lost in one's thoughts

He is thoughtless.

He is thoughtless―unthinking.

an act of thinking intensely

lost in thought

wavering mind