I made a doctor’s appointment for my stomachache.
(我因為胃痛掛了號要看醫生。)
I cancelled my doctor’s appointment online.注意如果要表達預約的看診時間,介系詞是用 for,而不是 in / at / on
(我透過網路取消了掛號。)
I made a doctor’s appointment for next Monday.(如果改成 on Monday,意思會是指掛號這件事是周一發生的)
(我掛了下周一的號要去看醫生。)
I made a dental appointment to get my teeth cleaned.
(我掛了牙醫診所的號要去洗牙。)