clear，distinct，lucid，be clear about，clarity ；

[例句] 老板总喜欢把这类事情搞清楚。 Bosses have a way of always finding out about such things.

[例句] 他越来越清楚地认识到引起紧张局势的原因。 He became more aware of the things that started that tension off.

suffering，misery，distress ；

[例句] 该行业的没落给数以千计辛苦经营的商贩带来了难言的苦楚。 The demise of the industry has caused untold misery to thousands of hard-working tradesmen.

[例句] 这个别离,把过去一切的苦楚都压过去了. Recollections of past troubles flooded back on me.

grieved，distressed ；

[例句] 他又露出那种歪嘴的笑容, 不过这次带上了一丝酸楚. He gave his twisted smile, though this time with a touch of sourness.

[例句] 毒素制造了十分酸楚的音乐,是非常缓慢的能量形式. Toxins create very sour music and are a very slow energetic formations.

[书] wretched，miserable ；

[例句] 这一声叫喊又悠长又 凄楚, 似是长叹,又似是呜咽. It was a long, grieving sound , like a sigh -- almost like a sob.

[例句] 他的两眼更加郁郁沉思, 表情更为凄楚. His eyes were more meditative, and his expression was more sad.

[医]NK，dimness ；

[例句] 还不清楚船舵是如何断裂的。 It was not yet clear how the rudder had sheared off.

[例句] 就连那个士兵在比雷杰干什么都不清楚。 Just what the soldier was doing in Bireij is unclear.

1.button down2.find out ；

[例句] 你一弄清楚了就给我打电话好吗？ Would you call me as soon as you find out?

[例句] 人们开始四下察看，想弄清楚那声响来自何处。 People began looking across to see where the noise was coming from.

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[例句] 使清楚的感知和了解变得模糊的事物. Something that serves to obscure clear perception and discernment.

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