difficult는 영어로 무엇을 의미하나요?

difficult는 영어에서 흔히 사용되는 표현이며, So we've chosen to focus on a job so difficult, requiring so many technological developments that the Russians are going to have to start from scratch as will we.에서 어려운, 곤란한, 힘겨운, 난처한을 의미합니다.