Don't take this medicine unless it's absolutely necessary.
非萬不得已不要用這種藥。
I guarantee that if you take this medicine, you'll soon get well.
我管保你吃了這藥就好。
You must remind him to take his medicine, in case he forgets.
你要釘著他吃藥，別讓他忘了。
Take this medicine regularly, it will safeguard you against a return of the disease.
定期服用這種藥，它能防止你舊病復發。
The child refused to take the medicine and bent backwards in his mother's arms.
這孩子怕吃藥，在媽媽的懷里直打挺兒。