I can 't.i have to take Mary to the piano lesson at 12:30.

我不行。12点半我必须带玛丽去上钢琴课。

youdao

Five years ago he reconnected with Ms. Salzman, took a lesson and decided to return to the piano professionally.

5年前，他再次与萨尔茨曼夫人联系，接受指导并决定重返钢琴职业演出。

youdao

She had swimming practice in the morning, ballet class in the afternoon, and a piano lesson that evening.

她早上练游泳，下午学芭蕾，晚上还有钢琴课。

youdao

It does not keep a history of every time you have visited the piano lesson, for example.

FORBES: Sherpa, The Latest Personal Assistant App, Focuses On Location

Then it can remind you to leave for your piano lesson without you having ever entered the address in your calendar or in Sherpa.

FORBES: Sherpa, The Latest Personal Assistant App, Focuses On Location

She stared back at him with the neutral innocence of a child waiting obediently for the start of a piano lesson.

NEWYORKER: The Valetudinarian