the quality of being tight or completely stretched

The symptoms of sunburn include hot, painful skin, redness and tautness. 晒伤的症状包括皮肤的灼热感、疼痛感，皮肤发红和绷紧感。

Her stomach had lost some of its former tautness after the birth of her sons. 在她的两个儿子出生后，她的腹部已经变得有些松弛了。

the quality of being excited or nervous, or of causing someone to feel like this

He carries himself with a certain tautness, a live-wire constantly on the verge of snapping. 他让自己保持一定的紧张度，蓄势而发。

The music is even more thrilling, with a tautness and tension that are spine-chilling. 这个音乐甚至更令人振奋，其紧张和紧凑的程度让我的脊柱随之战栗。

(in writing or speech) the quality of being controlled, clear, and short

She did not understand the tautness in the teacher's tone. 她不理解老师的明快语气。

The author is first and foremost a poet, and the linguistic tautness of the book reflects this. 作者首先是一位诗人，反映在该书语言的简洁明快上。