clothes – ee foo
Written as yī fu or yi fu
To remember that clothes is pronounced ee foo (yi fu) in Mandarin Chinese, use the following mnemonic:
When wearing white clothes, you shouldn't eat messy foods (ee foo).

Tones
Ee (eat) is a 1st tone with — as an accent.
Associate eat, a 1st tone, with a string or tie or tying or knot. See Tones and Mnemonics.

You shouldn't eat string.
Remember
Ee = 1st tone = —