轻声细语的英文：
to speak softly; to whisper

参考例句：

He is a shy soft-spoken person.
"他害羞,说话轻声细语的。"

Something uttered very softly.
耳语轻声细语非常轻声温柔地说出的话

The whole air of menace was accentuated by the fact that he was so cordial and soft-voiced.
他如此亲切，说话轻声细语，这更加重了威胁的语气。

speak是什么意思：
v. 谈话；说话；提起；会讲；…行话；演讲；代表；表明；显示；不言而喻

Don't speak for your friend, speak for yourself.
不要代表你的朋友发言了，谈谈你自己的看法吧。

Don't speak for your friend,speak for yourself.
不要代表你的朋友发言了，谈谈你自己的看法吧。

It is one thing to speak much and another to speak pertinently
话讲得多是一回事,讲得恰当是另一回事

softly是什么意思：
adv. 柔和地，柔软地；静静地；温柔地

Fair and softly goes far
谦和者致远

Fair and softly goes far.
不紧不赶，才能走远(慢工出细活)。

Sand the surface softly and carefully.
用砂纸仔细而轻柔地打磨表面。

whisper是什么意思：
v. 低声说，耳语；私下谈论；谣传；沙沙（或飒飒）作响
n. 低语，耳语；传闻；飒飒声

The story is being whispered about.
这事正到处被人私下传开。

They heard the whisper of leaves.
他们听见了树叶的低语。

The story is being whispered about the neighbourhood.
这个故事正在附近流传。