If you do that, it will only make matters worse.

如果你那样做，只会乱上加乱。

And then, to make matters worse , his parents turned up.

接着，更糟糕的是，他的父母亲来了。

Don't let yourself despair; this will only make matters worse.

别让你自己绝望；这样将只会使情况变得更糟。

To make matters worse, the candle went out and father and son were left in the dark.

更糟的是，蜡烛熄灭了，父子俩处于在黑暗中。

To make matters worse, people let their cattle eat up the grass, which further destroys the grassland.

更糟糕的是，人们任他们的牛把草吃光，这进一步破坏了草原。