Usage note
以表示用某种方式或工具,比如以手示意或以笔写字。
Yǐ biǎoshì yòng mǒu zhǒng fāngshì huò gōngjù, bǐrú yǐ shǒu shìyì huò yǐ bǐ xiě zì.
With, by means using a certain method or tool, like to gesture with hand or to write with a pen.
以表示用某种方式或工具,比如以手示意或以笔写字。
Yǐ biǎoshì yòng mǒu zhǒng fāngshì huò gōngjù, bǐrú yǐ shǒu shìyì huò yǐ bǐ xiě zì.
With, by means using a certain method or tool, like to gesture with hand or to write with a pen.
在中文里,以常用于说明做事情的方法或凭借的东西,比如以微笑回应。
Zài zhōngwén lǐ, yǐ cháng yòng yú shuōmíng zuò shìqíng de fāngfǎ huò píngjiè de dōngxī, bǐrú yǐ wēixiào huíyìng.
In Chinese, with, by is often used to explain the method or means of doing something, like to respond with a smile.
以 can mean 'with' or 'by', similar to 用 when indicating means.
以 can be part of 因为 (because) or 所以 (therefore).