冉阿让的四周越来越黑，他仍在暗中摸索前进。
The gloom deepened around Jean Valjean. Nevertheless, he continued to advance, groping his way in the dark.
大家对那一周前失踪少年的安危越来越担忧。
Fears are growing for the safety of a teenager who disappeared a week ago.
大约五周前，我发现我们的宠物蜥蜴的皮肤越来越灰暗。
About five weeks ago, I noticed the skin of our pet lizard was growing dusty.
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