妙不可言

• 女(woman)RADICAL
• 少(small; tiny)PHONO-SEMANTIC

A delicate, petite woman embodies an ethereal, indescribable beauty.

• 不(no; not; negation)ASSOCIATIVE

A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.

• 口(mouth; opening)RADICAL
• 丁(man; adult male)PHONETIC

A mouth uttering words of approval with a sound like "ding" gives you the character meaning "can" or "able."