我通常在下午喝淡咖啡，以避免摄入过多咖啡因。

I usually drink ___weak coffee in the afternoon to avoid too much caffeine.

这种淡啤酒故意做得淡，以获得清爽的口感。

This light beer is intentionally ___weak for a refreshing taste.

这杯鸡尾酒对他来说太淡了，所以他要求多加一份酒。

The cocktail was too ___weak for him, so he asked for an extra shot of alcohol.