leathery

adj as tough as leather 坚韧如皮革的: leathery skin, meat 粗而硬的皮肤、 嚼不动的肉.

learn, learn by heart, learn by rote, learn from, learn of, learn off, learned, learnedly, learner, learner driver, learning, lease, leasehold, leaseholder, leash, least, leastways, leastwise, leather, leather-jacket, leatherette, leave, leave untouched, leave alone, leave behind, leave in the air, leave off, leave off doing sth., leave open, leave out, leave sth. behind (sb.), leave-taking, leave...alone, leave...behind, leaven, leaves, leavings, lecher, lecherous, lecherously, lechery,