尚且 (shàng qiě): [with negative] not even (Adverb) — Meaning & Stroke Order

If you haven't even mastered the basic grammar, how can you hope to write beautiful essays?

He can't even manage his own expenses well, let alone plan the family budget.

The feasibility of this proposal has not even been fully demonstrated, so we should not rashly push it forward.

Even experts still can't solve this difficult problem, so it's even harder for ordinary people.