挟细拿粗

• 糹(thread; fiber)RADICAL
• 田(field; paddy field)PHONETIC

A thin thread like a furrow in a field is small and delicate.

• 合(combine; grasp)ASSOCIATIVE
• 手(hand)RADICAL

To grasp is to use your hand closed tightly to hold something firmly.

• 米(rice; rice grain)RADICAL
• 且(add; pile up)PHONO-SEMANTIC

Rice with its bran still intact and layers piled on top feels rough and coarse because it hasn't been milled finely yet.