・What a thought! 何という妙案か.

・an essay full of original thoughts 独創的な考えに満ちた論文.

・collect one's thoughts 考えをまとめる.

・put one's thoughts (down) on paper 考えを書きとめる.

・Now that's [there's] a thought! それは妙案だ[妙案がある].

・Listen: it's only [just] a thought, but couldn't we…? ねえ, 思い付きに過ぎないが, …できないだろうか.

・without a thought in his head 考えもなく.

・Sorry―my thoughts must have been somewhere else. すみません―私はうわの空だったに違いない.

b [通例 pl.] 意見, 見解, 思う所 (belief, opinion).

・keep one's thoughts to oneself 自分の気持ちを人に話さない.

・read a person's thoughts 人の心を読む.