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いささか， 些か， 聊か， 些， 聊
1. a little, a bit, somewhat, slightly, rather
有点、有一点、稍微
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気難しい， 気むずかしい， きむずかしい
1. hard to please, difficult, particular, fussy, choosy, picky, fastidious
2. bad-tempered, in a bad mood, displeased, sullen, crabby, cranky, grumpy
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
