Trouble-free means without problems. If a journey was trouble-free, nothing went wrong: no delays, no arguments, nothing broke. If a machine gives you trouble-free service for ten years, it never needed fixing.

Trouble-free means意思是 without problems沒出問題。 If a journey was trouble-free如果一趟旅程很順利， nothing went wrong就是什麼都沒出錯： no delays沒誤點、 no arguments沒吵架、 nothing broke沒有東西壞掉。 If如果 a machine一台機器 for ten years十年 gives you trouble-free service讓你用得順順的， it never needed fixing就是它從來不用修。

It is an adjective, and it usually sits in front of the noun: a trouble-free flight, trouble-free operation, ten trouble-free years. You can also put it after the verb be — "the installation was completely trouble-free" — though that is a little less common.

It is an adjective它是形容詞， usually sits通常放 in front of the noun在名詞前面： a trouble-free flight一趟順利的飛行、 trouble-free operation不出狀況的運轉、 ten trouble-free years順順利利的十年。 You can also put it你也可以把它放 after the verb be在 be 動詞後面——"the installation was completely trouble-free"「安裝過程完全沒問題」—— though不過 that is a little less common那樣稍微少見一點。

Notice where you actually meet it. It lives in advertising and in reports much more than in conversation. Companies love it: trouble-free driving, trouble-free performance, trouble-free banking.

Notice注意 where you actually meet it你實際上會在哪裡遇到它。 It lives in advertising and in reports它住在廣告和報告裡， much more than in conversation遠多於住在對話裡。 Companies love it公司超愛它： trouble-free driving無憂駕駛、 trouble-free performance不出狀況的表現、 trouble-free banking順暢無礙的銀行服務。

When a friend tells you about their weekend, they will more likely say "it went really smoothly" or "no problems at all". So the word is fine to write, but if you use it in speech about a small everyday thing it can sound like you are reading from a brochure.

When當 a friend朋友 tells you about their weekend跟你說他的週末， they will more likely say他比較可能說 "it went really smoothly"「一切都很順」 or或 "no problems at all"「完全沒問題」。 So所以 the word is fine to write這個字用寫的沒問題， but但 if you use it如果你 in speech講話時用它 about a small everyday thing來說日常小事， it can sound like聽起來可能像 you are reading from a brochure你在唸產品手冊。

One quiet thing about it: because it is a promise, it is often used about the future or about a whole long stretch of time — which is exactly why sellers reach for it.

One quiet thing about it關於它還有一個不明顯的小地方： because因為 it is a promise它是一種承諾， it is often used about所以常用來說 the future未來， or about a whole long stretch of time或一整段很長的時間—— which is exactly why而這正是 sellers reach for it賣東西的人愛用它的原因。