(at (the) least) крайней мере, по меньшей мере Например: It was at least five-and-twenty years since I had set eyes on him... (J. B. Priestley, Rain upon Godshill, ch. 16) — Мы с ним не встречались по меньшей мере двадцать пять лет... You might at least have written to me. — Вы могли, по крайней мере, написать мне.