Word: 就 (jiù) merely; only

他要是来了就好了。

Tā yàoshi láile jiù hǎole.

If only he had come.

你只要努力就可以了。

Nǐ zhǐyào nǔlì jiù kěyǐ le.

You only have to try hard.

你只要坐在这儿就行了。

Nǐ zhǐyào zuò zài zhèr jiù xíng le.

You have only to sit here.

你只要问就好了。

Nǐ zhǐyào wèn jiù hǎole.

You have only to ask for it.

您只要中号就够了。

Nín zhǐyào zhōng hào jiù gòu le.

You only need a medium size.

我要是会说英语就好了。

Wǒ yàoshi huì shuō Yīngyǔ jiù hǎole.

If only I could speak English!

能用电脑的就只有她。

Néng yòng diànnǎo de jiù zhǐyǒu tā.

Only she can use the computer.