1·"What d'you think?" she asked in an undertone.
“你觉得呢？”她低声问。
—— 《柯林斯英汉双解大词典》
2·His soft words contained an undertone of warning.
他温和的话中蕴涵着警告之意。
—— 《牛津词典》
3·He added in an undertone to the Queen, "Really, my dear, YOU must cross-examine the next witness."
他又低声对王后说：“真的，亲爱的，下一个证人必须你来盘问了。”
4·He spoke in an undertone.
他低声说话。
5·Cool skin types have a blue undertone in their skin.
冷色的肤色有蓝色的基调。
6·He replied, laughing but with a undertone of regret.
他笑着答道，不过笑声中带有一丝后悔的味道。
7·He could hear the rasping wild undertone in her voice.
她心烦意乱，他听得出她声线里粗嘎的低音。
8·I don't think she's been told yet, 'he said in an undertone.
“我认为还没有人告诉她呢，”他低声说道。
9·'I don't think she's been told yet,' he said in an undertone.
“我认为还没有人告诉她呢，”他低声说道。
10·Was it just me, or did you hear an undertone of marital discontent?
是我多心了，还是你也听出了帕蒂言下对自己婚姻的不满意？
1·The noise occultation was significant, and the undertone was the easiest one to be occulted.
噪音对信号的掩蔽作用显著，其中低音最易被掩蔽。
2·He could hear the rasping wild undertone in her voice.
她心烦意乱，他听得出她声线里粗嘎的低音。
3·Often with a strange kind of undertone, which is supposed to frighten us.
通常与一奇怪的低音，应该吓唬我们。