1.The British study showed that children who are looked after by their grandparents tend to me more overweight.
tend to 趨向;偏重
We tend to meet up for lunch once a week.
我們往往每周共進一次午餐 。
2.The research also showed that children of richer parents were more at risk, especially if the mother had a management position and/or a university education.
at risk有危險
The crisis could well place the relationship at risk.
這場危機可能會使這一關系有破裂的危險 。
3.It might also be that British people in general are becoming less active.
in general通常;大體上;一般而言
In general, incumbents have a 94 per cent chance of being reelected.
通常現任官員有94%的幾率會再次當選 。