knuckle

指のつけ根の関節

knuckle の類語

wrist, joint, joining, hip, knee, pivot joint, gliding joint, union, round, join, link, connection, neck, plate, shoulder, diarthrosis, breast, butt, chuck, embrace, boundary, interface, closure, ankle, roast, elbow, ribs, saddle, scarf, stitch, flank, pivot, coupling, cold cuts, seam, articulation, weld, hinge, connecting link, tie rod, toggle, connecting rod, juncture, suture, bow, submit, cave, loin, sirloin, rack, toggle joint, hinged joint, rib, plate piece, clinch, defer, shank, rump, short ribs, cervix

例文

• One of Tom's bad habits is cracking his knuckles.
  指を鳴らすのも、トムの悪い癖だよな。
• You'd better knuckle down to work.
  君は仕事に精を出した方がよい。
• Tom cracked his knuckles.
  トムは指を鳴らした。

knuckle の言い換えを探すには

knuckle（指のつけ根の関節）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。