Superficial or half-hearted; lacking depth or wholehearted commitment—used to criticize something done in a half-baked way.
生半可な知識で人に教えるべきではない。
You shouldn’t teach others with half-baked knowledge.
彼は生半可な覚悟でプロの世界に飛び込んだが、すぐに苦労した。
He jumped into the professional world with a half-hearted determination and soon struggled.
生半可な手伝いではなく、最後まで責任を持ってやってほしい。
I want you to take responsibility and see it through, not help half-heartedly.