I tried the number again, got an engaged tone.

我又拨了一次那个号码，电话还是占线。

《柯林斯英汉双解大词典》

While Gucci had the largest number of comments, it also had the lowest tone -- only 67% were positive, according to Zeta Interactive.

古驰(Gucci)得到的评价数量最多，但评价基调最低，只有67%是正面的。

youdao

The first comparison is between the number of tones, as there is no point comparing a seven-tone sequence to a two-tone sequence.

第一次比较是在音调的数目之间，因为比较七分音序列和二分音序列是没有意义的。

youdao

You phone a friend to let off steam, to hear 'Jemima and Jake are unavailable at the moment - please leave your name and number after the long tone'.

BBC: THE UNANSWERED CALL

We didn't get so much as a dial tone -- there was no longer a number to reach.

ENGADGET: Ginsu knives, psychic hotlines and a $90 tablet: the story behind the Matrix One (update: more details)

According to International Financing Review, U.S. and international companies continued to take advantage of a stronger tone in the corporate bond market on Monday, with a number of deals expected to price later in the session.

FORBES: Magazine Article