Number + 分(钟)
分 (fēn) is the measure word for minutes when telling time or expressing durations. It follows a number to indicate how many minutes, as in 两分钟 (two minutes) or 十分钟 (ten minutes). In casual speech, 钟 is sometimes dropped, leaving just 分.
再等五分钟,他马上就到。
Zài děng wǔ fēnzhōng, tā mǎshàng jiù dào.
Wait five more minutes; he'll be here soon.
这首歌只有三分钟,很快就听完了。
Zhè shǒu gē zhǐyǒu sān fēnzhōng, hěn kuài jiù tīng wán le.
This song is only three minutes long; it'll be over very quickly.
从家到公司坐地铁大概需要四十分钟。
Cóng jiā dào gōngsī zuò dìtiě dàgài xūyào sìshí fēnzhōng.
It takes about forty minutes to get from home to the office by subway.