You have to be very careful with books this old because the paper tears very easily.对这么旧的书你得格外小心，因为它的纸张很容易撕破。Be careful, the paper tears easily.当心，这张纸很容易撕破。This material tears easily.这种料子很容易撕破。Careful－the fabric tears very easily.小心 － 这种料子非常容易撕破。The paper is old and tears easily.这纸很旧了，很容易撕破。