(past trod; past participle trodden 或trod)no obj., with adverbial
1- walk in a specified way走, 行走：
he trod lightly, trying to make as little contact with the mud as possible
他轻快地向前走, 尽可能避免踩到泥浆
figurative 〈喻〉the government had to tread carefully so as not to offend the judiciary.
政府不得不谨慎行事, 以免得罪司法部门。
1.1
tread on
set one's foot down on top of（脚）踩, 踏。
1.2
- with obj. walk on or along沿着…走：
shoppers will soon be treading the floors of the new shopping mall.
顾客马上就要走进新商场了。
1.3
- with obj. and adverbial press down into the ground or another surface with the feet踏进（地面等）：
food and cigarette butts had been trodden into the carpet.
食物和烟头已被踏进地毯里去了。
1.4
- with obj. crush or flatten something with the feet用脚踩碎, 踏平：
the snow had been trodden down by the horses
雪已被马给踏平了
as adj. trodden figurative 〈喻〉the conscientious are trodden down into conformity.勤恳的人被压制得服服帖帖。
1
- in sing. a manner or the sound of someone walking步法, 步态; 脚步声：
I heard the heavy tread of Dad's boots.
我听到父亲靴子的沉重踩踏声。
2
- （亦作tread board）the top surface of a step or stair（楼梯、台阶的）踏步板, 梯面。
3
- the thick moulded part of a vehicle tyre that grips the road车胎胎面, 踏面。
3.1
- the part of a wheel that touches the ground or rail（与地面、钢轨接触的）车轮踏面。
3.2
- the upper surface of a railway track, in contact with the wheels（钢轨与车轮接触的）钢轨踏面。
3.3
- the part of the sole of a shoe that rests on the ground鞋底。
短语
tread the boards（或stage）
- 见BOARD.
tread on air
- 见AIR.
tread （或step） on someone's toes
- offend someone by encroaching on their area of responsibility（因侵犯某人权责范围而）冒犯某人。
tread water
1
- maintain an upright position in deep water by moving the feet with a walking movement and the hands with a downward circular motion踩水。
1.1
- figurative fail to advance or make progress〈喻〉原地踏步; 无进展：
men who are treading water in their careers.
事业停滞的人。
派生词
treader
noun词源
Old English tredan (as a verb)， of West Germanic origin; related to Dutch treden and German treten.