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洗濯， せんたく， せんだく
1. washing, laundry
2. relaxation, rejuvenation, melting away (of worries, fatigue, etc.)
洗涤、洗衣；放松、恢复活力、消除(忧虑、疲劳等)
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満足， 滿足， まんぞく
1. satisfaction, contentment, gratification
2. sufficient, satisfactory, enough, adequate, proper, decent
3. satisfying (an equation)
满意、满足、满足感；足够的、充足的；解、符合(一个方程)
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難しい， 六借しい， 六ヶ敷い， むずかしい， むつかしい
1. difficult, hard, troublesome, complicated, serious (disease, problem, etc.)
2. impossible, unfeasible
3. fussy, particular, fastidious, hard to please, displeased
4. gloomy, glum, sullen, serious (look)
5. dirty, unclean, filthy, detestable
6. unp...
难的，困难的，严重的(疾病、问题等)；不可能的；不可行的