Rough or incomplete; lacking detail

• Preliminary; intended for later refinement

粗略的；不完整、细节不足

• 初步的；待后续完善

Of doubtful quality or reliability; shady

• Suspicious or untrustworthy

质量或可靠性可疑；不太靠谱

• 可疑的；不可信

Potentially unsafe or dangerous

• Unsettling; gives a bad feeling

可能不安全或有危险

• 令人不安；让人有不祥之感