1. if
2. in case
3. in the event that

1. to think (about)
2. to think of; to devise
3. to think (that); to believe (that)
4. to desire; to want (to)
5. to miss (feel wistful about the absence of)

1. to learn
2. to study

classifier: 座

1. dialect
2. language
3. speech

1. to ask
2. to invite
3. please (do sth)
4. to treat (to a meal etc)
5. to request

1. must
2. to need to
3. to be sure to

1. to read
2. reading

1. content
2. substance
3. details

classifiers: 個, 項