日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
I may have packed my schedule too tight.
My schedule's tight; there's no wiggle room.
That day's tricky, but I'll try to work it out.
The timing's unpredictable, so leave some buffer.
Let's keep both options open for now.
Thanks for graciously accepting the change.
Sorry for jerking you around with my schedule.
Let's put it on hold and see how things go.
Can I tentatively hold that slot?
Let's finalize that tomorrow.
It hinges on the other party, so it firms up tomorrow.
My plans are uncertain; I can't commit.