1. it doesn't matter; it's nothing; never mind
2. think nothing of it; it's my pleasure; you're welcome

1. fresh (experience, food etc)
2. freshness
3. novel
4. uncommon

1. matter
2. thing
3. item
4. work
5. affair

classifiers: 件, 樁, 回

1. alternative form of 倳 (zì, “to establish”)
2. alternative form of 剚 (zì, “to stab”)