1. The sports player for weight lifting lifts heavy things, What is the name of the heavy things in English?

2. He is sending a text message with/on his smart phone.

(Do we have to use 'with' or 'on' in this sentence?)

1. They could be called weights or bar bells.

http://www.google.com/search?q=weights&hl=en&prmd=imvns&source=lnms&tbm=isch&ei=UIDPT5fwFqOq2gW17fnYDA&sa=X&oi=mode_link&ct=mode&cd=2&ved=0CIUBEPwFKAE&biw=711&bih=453

http://www.google.com/search?q=weights&hl=en&prmd=imvns&source=lnms&tbm=isch&ei=UIDPT5fwFqOq2gW17fnYDA&sa=X&oi=mode_link&ct=mode&cd=2&ved=0CIUBEPwFKAE&biw=711&bih=453#hl=en&tbm=isch&sa=1&q=barbells&oq=barbells&aq=f&aqi=g10&aql=&gs_l=img.3..0l10.29179.31385.0.31665.8.8.0.0.0.0.188.1166.0j8.8.0...0.0.wsmk30ChYfQ&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=b6d007ac402082c9&biw=711&bih=453

2. "On" is better. You can also use "from."

1. The heavy things that weightlifters lift are typically referred to as "weights" or "barbells." These objects are specifically designed to be heavy in order to provide resistance during weightlifting exercises.

To find the answer to this question, you could have used a simple online search by typing in "what are the heavy things weightlifters lift?" The search engine would have provided you with the terms "weights" or "barbells."

2. Both "with" and "on" can be used in this sentence, but they would convey slightly different meanings.

- If you use "with," it implies that the person is using their smartphone as a tool or instrument to send the text message. For example: "He is sending a text message with his smartphone." In this case, the smartphone is the means by which the person is sending the message.

- If you use "on," it implies that the person is accessing or using their smartphone as a platform to send the text message. For example: "He is sending a text message on his smartphone." In this case, the smartphone is the device on which the person is sending the message.

To choose between "with" or "on," consider the intended meaning and context of the sentence. If you are referring to the smartphone as a tool or instrument, use "with." If you are referring to the smartphone as a platform or device, use "on."