Downhearted thoughts hinder progress.

消沈的思想妨碍进步。

Taking young children isn't safe in a hunt and would likely hinder progress.

打猎时带着小孩子很不安全，也可能会阻碍进展。

The Americans and the neighbours can help or hinder progress, but Iraqis themselves need to make the peace.

美国和邻国都可以帮助或阻碍其进步，但是伊拉克和平掌握在自己手中。

It's to get meat home as quickly as possible. Taking young children isn't safe in a hunt and would likely hinder progress.

因为考虑到狩猎中孩子并不安全，也可能会拖慢行程。男人希望尽快将肉类送到家里。

People have been increasingly indifferent to the sufferings of others, which would hinder social progress.

人们变得对于他人的痛苦越发冷漠，这会阻碍社会的进步。