Given the dry climate, it is unlikely that the ancient lakebed will ever refill with water naturally.
鉴于干燥的气候，古湖床不太可能自然重新蓄满水。
Economist Dominic Reyes contends that most long-term investors are motivated primarily by portfolio diversification and retirement planning rather than marginal changes in after-tax return, meaning a modest rate increase is unlikely to significantly change investment behavior.
From a Cross-Text Connections question · Craft and Structure
Which choice best defines “unlikely”?
A — Not likely to happen. “unlikely” means not likely to happen.
Which word means “not likely to happen”?
C — unlikely. “unlikely” means not likely to happen.
unlikely — not likely to happen. In Chinese: 不太可能的.
unlikely is pronounced /ʌnˈlaɪkli/.
Given the dry climate, it is unlikely that the ancient lakebed will ever refill with water naturally. (鉴于干燥的气候，古湖床不太可能自然重新蓄满水。)
improbable, doubtful, remote — all close in meaning to unlikely (not likely to happen).
likely, probable — each the opposite of unlikely (not likely to happen).
Yes. unlikely is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.