YOU SAID:

a trip to china sounds nice, if you tread lightly.

INTO JAPANESE

あなたが軽く踏むならば、中国への旅行はいいですね。

BACK INTO ENGLISH

If you step lightly, traveling to China is good.

INTO JAPANESE

軽く歩けば、中国への旅行は良いです。

BACK INTO ENGLISH

If you walk lightly, a trip to China is good.

INTO JAPANESE

あなたが軽く歩くならば、中国への旅行は良いです。

BACK INTO ENGLISH

If you walk lightly, a trip to China is good.