expression
together; jointly; cooperatively; hand in hand
Idiomatic expression meaning to act together or in partnership. The literal meaning is 'holding hands', but it is almost always used figuratively for cooperation.
両社は手を携えて新製品を開発した。
The two companies jointly developed a new product.
私たちは手を携えてこの問題に取り組もう。
Let's tackle this problem together.
More straightforward 'cooperating'; 手を携えて is more idiomatic and emphasizes partnership.
General 'together'; 手を携えて implies a closer, more deliberate collaboration.
From the literal action of holding hands (手を携える), extended metaphorically to mean acting together or in partnership.