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Adverse & ill & negative &detrimental
1.adverse-
1.1-表示不利的,不愉快的,将会导致不好的结果。
1.2-
eg:
lack of money will have an adverse effecton research program.
2.ill
2.1-表示坏,有伤害
2.2-
eg:
he resigned because of ill health.
3.negative-
3.1-约等于ill,强调不好,有伤害,消极,但语气没有ill强烈。
3.2-
eg:
the whole experience is definitely positivethan negative.
4.detrimental
4.1-强调由伤害,约等于ill.
4.2-
Eg:
The sun is detrimental effect on skin.