Formal:
* 我爱你 (wǒ ài nǐ) - This is the most common and direct translation of "I love you." It is used in formal situations and for expressing deep love.
Informal:
* 我喜欢你 (wǒ xǐhuan nǐ) - This means "I like you" and is a more casual way to express affection.
* 我爱你 (wǒ ài nǐ) - This is also used informally, but it can be more intense than "我喜欢你."
Romantic:
* 我深深地爱着你 (wǒ shēnshēn de ài zhe nǐ) - This means "I love you deeply."
* 我爱你胜过一切 (wǒ ài nǐ shèngguò yīqiè) - This means "I love you more than anything."
Other options:
* 你是我的宝贝 (nǐ shì wǒ de bǎobei) - This means "You are my treasure" and is a cute and affectionate way to say "I love you."
* 我离不开你 (wǒ lí bù kāi nǐ) - This means "I can't live without you" and is a very intense way to express love.
Important Note: It is important to be aware of the context and the relationship you have with the person you are saying it to before choosing which phrase to use. Some phrases are more appropriate for romantic relationships, while others are more suitable for friends or family members.