Children don't complete their set of 20 baby teeth until they are two to three years old.

孩子到两三岁时才长齐20颗乳牙。

《柯林斯英汉双解大词典》

She set about whittling down the likely candidates from the 150 who applied to a list short enough to interview personally - eliminating the ones who reassured her that they still had their own teeth.

她着手从150名提出申请的可能候选者中进行大幅删减，列成足够短的名单已备相亲——排除了那些向她保证自己不全是假牙的人。

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Those pursuing perfection are advised to hide their gums, hold back on the bleach, cover the bottom teeth and set their lips at just the right angle.

所追求的完美微笑应该隐藏牙床，拒绝漂白牙齿，掩盖最里面的牙齿并且他们的嘴唇要达到合适的角度。

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Once that was done, he set to the real work: with hand drills, handsaws (their teeth rubbed, to run more smoothly, with a candle end), his bevelled-edge chisel and his wide, heavy, trusty Number 7 plane, which he used for everything.

ECONOMIST: Alan Peters