Check the bit O. D. with a bit gauge.

拿钻头规来量一下钻头外径。

youdao

Seems obvious when you think about it, but if you try to break a habit that you don't do on a daily basis, its a bit harder to gauge your success in a limited 30-day window.

这看起来似乎顺理成章，但假如你想改掉一种习惯而又没有每天都坚持，在30天内要取得成功似乎有点困难。

youdao

You can then reveal your identity bit by bit, so as to gauge interest in your bonds or shares.

ECONOMIST: A second chance