unless

Câu
An user
Do   not
🚫
  overtake   unless   it
it
  is   safe   to   do   so .

Đừng vượt qua trừ khi an toàn để làm như vậy.

Nghĩa (Tiếng Anh)

  1. Except on a specified condition; if not.
  2. If not; used with counterfactual conditionals.
  3. Except if; used with hypothetical conditionals.

Tính thường xuyên

A2
Phát âm là (IPA)
/ənˈlɛs/
Từ nguyên (Tiếng Anh)

From Middle English unlesse, earlier on lesse (modern on + less), from (not) on lesse (than) (“(not) on a less compelling condition (than)”). The quality of negation in the word and the lack of stress changed on to un-.

Notes

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