► 名詞芯 [(1)しん]
meaning: core rank: 2☆ あいつは芯まで
腐っている ⇨ He is rotten to the core
☆
林檎の芯 ⇨ A core of an apple
芯 [(1)しん] [
芯が強い]
meaning: core rank: 2☆
彼女は芯が
強い ⇨ She has a strong core, backbone
(☛ In Japanese it always refers to a mental core. A physical core (abs, lower back) is 幹 (=trunk))