Subject + 只 + Verb
只 means "only" or "just" and restricts the scope of what follows. It is placed before a verb or verb phrase to limit the action or quantity. For example, 我只有一个 means "I only have one" and 他只喝水 means "He only drinks water."
我只吃了一碗饭,真的不饿了。
wǒ zhǐ chī le yì wǎn fàn, zhēn de bú è le.
I only ate one bowl of rice, I'm really not hungry anymore.
她只会说英语,不会说中文。
tā zhǐ huì shuō yīngyǔ, bú huì shuō zhōngwén.
She can only speak English, not Chinese.
今天只来了三个人。
jīntiān zhǐ lái le sān gè rén.
Only three people came today.