fingertip

n 1 extreme end of a finger 指端; 指尖. 2 (idm 习语) have sth at one's `fingertips be completely familiar with sth 对某事物了如指掌. to one's `fingertips in every way; completely; through and through 各方面; 完全; 彻底: She's an artist to her fingertips. 她是真正的艺术家.

finding, findings, fine, fine art (also the fine arts, art), fine arts, fine-tooth comb, finely, fineness, finery, finesse, finger, finger-board, finger-bowl, finger-mark, finger-nail, finger-plate, finger-stall, fingering, fingernail, fingerprint, finicky, finish, finish doing, finish up, finish up with, finish with, finished, finisher, finishing, finishing school, finite, fink, Finland, Finn, finnan, Finnish, fiord (also fjord), fir, fir tree, fir-cone,