How can you say good night I love too in Chinese?

There isn't a direct translation of "good night I love too" in Chinese. However, here are a few ways you can express this sentiment:

Formal:

* 晚安，我也爱你。 (Wǎn'ān, wǒ yě ài nǐ.) - This is a literal translation of "Good night, I love you too."

Informal:

* 晚安，我也爱你。 (Wǎn'ān, wǒ yě ài nǐ.) - This is the same as the formal version, but more casual.

* 晚安，我也很喜欢你。 (Wǎn'ān, wǒ yě hěn xǐhuan nǐ.) - This translates to "Good night, I like you a lot too," which is a bit more casual and can be used with friends or close relationships.

* 宝贝，晚安，我也爱你。 (Bǎobei, wǎn'ān, wǒ yě ài nǐ.) - This translates to "Baby, good night, I love you too." This is a more affectionate and intimate way to say it.

Remember to choose the appropriate phrase depending on the context and your relationship with the person.