塩， しお
1. salt, common salt, table salt, sodium chloride
2. hardship, toil, trouble
3. saltiness
4. cold, unwelcoming, indifferent
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
