老年人有长处，但也有很大的弱点——老年人容易固执，因此老年人也要有点自觉性。

Old people have strengths but also great weaknesses-they are easy to be stubborn, for example-and they should be aware of that.

youdao

老年人有长处，但也有很大的弱点，老年人容易固执，因此老年人也要有点自觉性。

Old people have strengths but also great weakness---they tend to be stubborn, for example---and they should be aware of that.

youdao

老年人有长处，但也有很大的弱点，老年人容易固执，因此老年人也要有点自觉性。

Old people have strengths but also great weaknesses — they tend to be stubborn, for example — and they should be aware of that.

youdao