[zhǐ shì]
（仅仅是） merely; only; just
She called on us merely for the sake of courtesy.
她来访只是为了礼貌。
It is merely a pretense.
这只是托词而已。
My opinion hasn't been well thought out and is only for your reference.
我的意见很不成熟，只是供你参考。
This is simply a question of formalities.
这只是手续问题。
I would very much like to go there, however my hands are full.
我很想去，只是忙不过来。
His English is not bad, but his pronunciation isn't too good.
他的英语学得不错，只是发音还不太好。