1To be lifted or raised (to a higher position); to rise or be borne upwards (often physically).
強い風で屋根の瓦が持ち上がった。
Strong winds lifted the roof tiles.
ヘリコプターが荷物をロープで吊り上げ、ゆっくり持ち上がった。
The helicopter hoisted the cargo with a rope and slowly lifted it.
床の一部が地震で少し持ち上がったように見える。
Part of the floor appears to have been lifted a little by the earthquake.
2To come up or arise (an issue, topic, or matter); to occur or be raised (often unexpectedly).
会議で新しい予算問題が持ち上がった。
A new budget issue came up at the meeting.
近所で騒音トラブルの話が持ち上がり、町内会が集まった。
Talk of a noise dispute came up in the neighborhood, and the residents' association gathered.
その噂はすぐに持ち上がって、社員の間で広まった。
The rumor came up quickly and spread among the staff.
3To continue as the homeroom teacher for the same class the following year, or for a class to advance together to the next grade (as a group).
田中先生は今年も同じクラスを持ち上がることになった。
Mr. Tanaka will continue as the homeroom teacher for the same class this year as well.
うちのクラスは全員で持ち上がったので、新しい担任とは顔なじみだ。
Our class advanced together, so we're already familiar with the new homeroom teacher.
学校の方針で、一部の学年は担任が持ち上がらないこともある。
Due to school policy, in some grades the homeroom teacher does not continue with the class.