| without fail | (idm) แน่นอน |
| without fail | Come here tomorrow without fail. |
| without fail | Come to the office tomorrow morning without fail. |
| without fail | He comes along here without fail on Sunday. |
| without fail | He'll come to see me without fail. |
| without fail | He promised to return the money without fail. |
| without fail | He will come to the church without fail. |
| without fail | He will succeed without fail. |
| without fail | I'll be there at two o'clock without fail. |
| without fail | I'll come without fail tomorrow morning. |
| without fail | I'll let have it back next Monday without fail. |
| without fail | I visit my parents every Sunday without fail. |
| without fail | I will call you without fail. |