takes you by the arm sucker for his charm这两句话是什么意思?

she took him by the arm told him to wait for his turn I can tell by his charm. I roll down the window,I'm a sucker for his char The policeman caught the thief by ___.A.his arm B.arm C.the I caught the thief by the arm.这一句中的by是什么意思?为什么用by呢? when the plane takes off这句话是什么意思 he takes his cousin by the hand 翻译 请教一个单句改错：The policeman caught the thief by his arm. Just for myself by little这句话是什么意思? FEED-OF-THE-ARM是什么意思? She caught me by the arm He took me by the arm