The disbelievers do laugh at Muslims men and women when we worship Allah, do the fasting, go for Hajj, Make Jihad, Women wearing Hijab or Veil ( covering their bodies completely by a loose non-transparent garment, as per God's Command), sacrificing the animals on (the second of the only Two Islamic Festivals in a year) -Bakrid Festival (Bairam) or Eid-ul Ad'ha, men sporting beards following the model of the Prophets of God etc. The dangerous effects of this will be implemented on them on the Day of Judgment.
God warns: 22: 1-2.
For more information, please read the Holy Qur'an.
