Even at the age of 80, the old man's heart is as sound as a bell.

尽管已是八十高龄，老人的心脏仍毫无问题。

Even at the age of 80, the old man's heart was as sound as a bell.

尽管已是八十高龄，老人的心脏仍毫无问题。

Describing something which is strong and in good condition, we say it is "sound as a bell."

形容某物强壮完好时，我们称之为“健全”。

I think a charming girl should be as sound as a bell, as merry as a cricket and happy-go-lucky every day.

我认为魅力女生应该每天身体健康，开心快乐，无忧无虑。

Investors are recognizing social networking as the next major wave of Internet companies, he says. he also notes that one no longer rings the NYSE bell, one pushes a button that makes a bell sound.

他表示，投资者正把社交网络公司看作新一波重量级弄潮儿他还提到，现在纽交所开市钟不用真的去“敲响”了，而是按下一个按钮让开市钟自动发声。