假使

jiǎ shǐ wǒ zhī dào wǒ zǎo jiù shuō le

假使我知道，我早就说了。

I would have mentioned it earlier if I had known.

jiǎ shǐ tā dào zhè lái qǐng tōng zhī wǒ

假使他到这来，请通知我。

Let me know should he come here.

jiǎ shǐ nǐ tóng yì wǒ lì jí jiù qiān hé tong

假使你同意，我立即就签合同。

If you agree, I will sign the contract right away.

jiǎ shǐ nǐ yǐ kàn wán nà běn shū qǐng jiāng tā huán huí tú shū guǎn

假使你已看完那本书，请将它还回图书馆。

If you have finished reading that book, take it back to the library.

jiǎ shǐ dā yìng tā men de yāo qiú tā jiù děi bèi pàn zì jǐ de yuán zé

假使答应他们的要求，他就得背叛自己的原则。

If he agreed to their demands, he would have to be untrue to his own principles.

jiǎ shǐ yǒu rén zhuō zhù wǒ tā men jiù huì qiāng bì wǒ

假使有人捉住我，他们就会枪毙我。

If they were to catch me, they would shoot me.